Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 6, NWS Wilmington, OH

January 5, 1997Bracken County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Jan 5, 1997, 12:33 AM EST for Bracken County, Kentucky. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 5, 1997, 12:33 AM EST (05:33 UTC)
Expired
Jan 5, 1997, 1:15 AM EST
In force
42 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Bracken County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.6 hours before the alert went out and 86 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 1997-01-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 1997-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
436 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

462 
WUUS01 KILN 050535 RRA
SVRILN
KYC023-050615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1233 AM EST SUN JAN 5 1997
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH KENTUCKY
 
   ...BRACKEN COUNTY
 
AT 1230 AM EST DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM ALONG THE PENDLETON/BRACKEN COUNTY BORDER. THE STORMS
WERE MOVING EAST NORTHEAST AROUND 40 MPH AND WILL PRODUCE DAMAGING
WINDS. THE STORMS WILL CROSS BRACKEN COUNTY THROUGH 115 AM.
 
IT IS DANGEROUS TO BE OUTDOORS WHILE A SEVERE THUNDERSTORM IS IN
PROGRESS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE. SEEK SHELTER IN A BUILDING OR
A VEHICLE. IF YOU ARE CAUGHT IN THE OPEN...STAY AWAY FROM TOWERS
AND TALL TREES. CROUCH NEAR THE GROUND AND COVER YOUR HEAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 4, 8:31 PM EST, 4 hours 2 minutes earlier.

Area forecast discussion, Jan 4, 8:31 PM EST, 4 hours 2 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
830 PM EST SAT JAN 4 1997

00Z SFC ANALYSIS INDICATED LOW PRES OVR LMICH WITH A CDFNT TRAILING SWD
ACROSS ERN IL SWWD INTO TX.  AHEAD OF THE FNT A NARROW AXIS OF 60+ DEW
POINTS EXISTED ACROSS WRN KY AND WRN IN.  IN THIS AREA...NMRS TRW WERE
MOVG TOWARD FA.  KILN SOUNDING WAS SLIGHTLY STABLE.  MODIFYING FOR
WORST CASE SCENARIO OF 60F DEW POINTS (NRN KY) GIVES A LI OF -1 AND
CAPES AROUND 250. THUS CONTINUE CHC TRW ALONG WITH -SHRA.  FROM DAY-CMH
NWD...TRW WL BE WDLY SCT SINCE INSTABILITY WL HARDLY EXIST. HOWEVER...
SUGGEST CONT MENTION OF TRW ALL ZONES.  WITH PW'S OF 1.13 RAINFALL
COULD BE HEAVY IN SPOTS.

ONLY OTHER CHANGE NEEDED IS TO INCREASE WINDS ACROSS NRN KY AND
INDICATE SWLY DIRECTION THROUGH MUCH OF NIGHT.

WILKINSON

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 5, 12:01 AM ESTSevere Thunderstorm WarningILNCampbell, Kenton44 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.